diff options
Diffstat (limited to 'drivers/input/touchscreen/pixcir_i2c_ts.c')
| -rw-r--r-- | drivers/input/touchscreen/pixcir_i2c_ts.c | 1046 |
1 files changed, 0 insertions, 1046 deletions
diff --git a/drivers/input/touchscreen/pixcir_i2c_ts.c b/drivers/input/touchscreen/pixcir_i2c_ts.c deleted file mode 100644 index 65485c0..0000000 --- a/drivers/input/touchscreen/pixcir_i2c_ts.c +++ /dev/null @@ -1,1046 +0,0 @@ -/* drivers/input/touchscreen/pixcir_i2c_ts.c - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * Copyright 2010 Pixcir, Inc. - * Copyright 2010 Bee <http://www.pixcir.com.cn> - * Copyright 2011 Dongsu Ha <dsfine.ha@samsung.com> - * Copyright 2011 Samsung Electronics <http://www.samsung.com> - */ - -#include <linux/module.h> -#include <linux/interrupt.h> -#include <linux/input.h> -#include <linux/i2c.h> -#include <linux/smp.h> -#include <linux/delay.h> -#include <linux/slab.h> -#include <linux/uaccess.h> - -#include <plat/gpio-cfg.h> -#include <mach/gpio.h> -#include <mach/board_rev.h> - -#define PIXCIR_DEBUG 0 - -#define ATTB samsung_board_rev_is_0_0() ? EXYNOS4_GPX1(7) : EXYNOS4_GPX2(6) -#define RESET samsung_board_rev_is_0_0() ? EXYNOS4_GPX1(6) : EXYNOS4212_GPM3(4) -#define GPIO_NAME samsung_board_rev_is_0_0() ? "GPX1" : "GPM3" -#define get_attb_value gpio_get_value -#define RESETPIN_CFG s3c_gpio_cfgpin(RESET, S3C_GPIO_OUTPUT) -#define RESETPIN_SET0 gpio_direction_output(RESET,0) -#define RESETPIN_SET1 gpio_direction_output(RESET,1) - -#define SLAVE_ADDR 0x5c -#define BOOTLOADER_ADDR 0x5d - -#ifndef I2C_MAJOR -#define I2C_MAJOR 125 -#endif - -#define I2C_MINORS 256 - -#define CALIBRATION_FLAG 1 -#define NORMAL_MODE 8 -#define PIXCIR_DEBUG_MODE 3 -#define VERSION_FLAG 6 -#define BOOTLOADER_MODE 7 -#define RD_EEPROM 12 -#define WR_EEPROM 13 - -#define ENABLE_IRQ 10 -#define DISABLE_IRQ 11 - -#define SPECOP 0x37 - -#define reset - -#define MAXX 32 -#define MAXY 32 -#define TOUCHSCREEN_MINX 0 -#define TOUCHSCREEN_MAXX 480 -#define TOUCHSCREEN_MINY 0 -#define TOUCHSCREEN_MAXY 800 - -int global_irq; - -static unsigned char status_reg; -unsigned char read_XN_YN_flag; - -unsigned char global_touching, global_oldtouching; -unsigned char global_posx1_low, global_posx1_high, global_posy1_low, - global_posy1_high, global_posx2_low, global_posx2_high, - global_posy2_low, global_posy2_high; - -unsigned char Tango_number; - -unsigned char interrupt_flag; - -unsigned char x_nb_electrodes; -unsigned char y_nb_electrodes; -unsigned char x2_nb_electrodes; -unsigned char x1_x2_nb_electrodes; - -signed char xy_raw1[(MAXX * 2 + 3)]; -signed char xy_raw2[MAXX * 2]; -signed char xy_raw12[(MAXX * 4 + 3)]; - -unsigned char data2eep[3], op2eep[2]; - -struct i2c_dev { - struct list_head list; - struct i2c_adapter *adap; - struct device *dev; -}; - -static struct i2c_driver pixcir_i2c_ts_driver; -static struct class *i2c_dev_class; -static LIST_HEAD(i2c_dev_list); -static DEFINE_SPINLOCK(i2c_dev_list_lock); - -static void return_i2c_dev(struct i2c_dev *i2c_dev) -{ - spin_lock(&i2c_dev_list_lock); - list_del(&i2c_dev->list); - spin_unlock(&i2c_dev_list_lock); - kfree(i2c_dev); -} - -static struct i2c_dev *i2c_dev_get_by_minor(unsigned index) -{ - struct i2c_dev *i2c_dev; - i2c_dev = NULL; - - spin_lock(&i2c_dev_list_lock); - list_for_each_entry(i2c_dev, &i2c_dev_list, list) { - if (i2c_dev->adap->nr == index) - goto found; - } - i2c_dev = NULL; -found: - spin_unlock(&i2c_dev_list_lock); - - return i2c_dev; -} - -static struct i2c_dev *get_free_i2c_dev(struct i2c_adapter *adap) -{ - struct i2c_dev *i2c_dev; - - if (adap->nr >= I2C_MINORS) { - printk(KERN_ERR "i2c-dev: Out of device minors (%d)\n", - adap->nr); - return ERR_PTR(-ENODEV); - } - - i2c_dev = kzalloc(sizeof(*i2c_dev), GFP_KERNEL); - if (!i2c_dev) - return ERR_PTR(-ENOMEM); - i2c_dev->adap = adap; - - spin_lock(&i2c_dev_list_lock); - list_add_tail(&i2c_dev->list, &i2c_dev_list); - spin_unlock(&i2c_dev_list_lock); - - return i2c_dev; -} - -void read_XN_YN_value(struct i2c_client *client) -{ - char Wrbuf[4], Rdbuf[2]; - - memset(Wrbuf, 0, sizeof(Wrbuf)); - memset(Rdbuf, 0, sizeof(Rdbuf)); - - Wrbuf[0] = SPECOP; - Wrbuf[1] = 1; - - Wrbuf[2] = 64; - Wrbuf[3] = 0; - - i2c_master_send(client, Wrbuf, 4); - mdelay(8); - i2c_master_recv(client, Rdbuf, 2); - x_nb_electrodes = Rdbuf[0]; - - if (Tango_number == 1) { - x2_nb_electrodes = 0; - - memset(Wrbuf, 0, sizeof(Wrbuf)); - memset(Rdbuf, 0, sizeof(Rdbuf)); - - Wrbuf[0] = SPECOP; - Wrbuf[1] = 1; - Wrbuf[2] = 203; - Wrbuf[3] = 0; - - i2c_master_send(client, Wrbuf, 4); - mdelay(4); - - i2c_master_recv(client, Rdbuf, 2); - y_nb_electrodes = Rdbuf[0]; - } else if (Tango_number == 2) { - memset(Wrbuf, 0, sizeof(Wrbuf)); - memset(Rdbuf, 0, sizeof(Rdbuf)); - - Wrbuf[0] = SPECOP; - Wrbuf[1] = 1; - - i2c_master_send(client, Wrbuf, 4); - mdelay(4); - i2c_master_recv(client, Rdbuf, 2); - x2_nb_electrodes = Rdbuf[0]; - - memset(Wrbuf, 0, sizeof(Wrbuf)); - memset(Rdbuf, 0, sizeof(Rdbuf)); - - Wrbuf[0] = SPECOP; - Wrbuf[1] = 1; - - i2c_master_send(client, Wrbuf, 4); - mdelay(4); - - i2c_master_recv(client, Rdbuf, 2); - y_nb_electrodes = Rdbuf[0]; - } - if (x2_nb_electrodes) - x1_x2_nb_electrodes = x_nb_electrodes + x2_nb_electrodes - 1; - else - x1_x2_nb_electrodes = x_nb_electrodes; - - read_XN_YN_flag = 1; -} - -void read_XY_tables(struct i2c_client *client, signed char *xy_raw1_buf, - signed char *xy_raw2_buf) -{ - u_int8_t Wrbuf[1]; - - memset(Wrbuf, 0, sizeof(Wrbuf)); - - i2c_master_send(client, Wrbuf, 1); - i2c_master_recv(client, xy_raw1_buf, (MAXX - 1) * 2); - i2c_master_send(client, Wrbuf, 1); - i2c_master_recv(client, xy_raw2_buf, (MAXX - 1) * 2); -} - -static struct workqueue_struct *pixcir_wq; - -struct pixcir_i2c_ts_data { - struct i2c_client *client; - struct input_dev *input; - struct input_dev *input_key; - struct delayed_work work; - int irq; -}; - -static unsigned char pixcir_keycode[] = {KEY_D, KEY_A, KEY_B}; - -static void pixcir_ts_poscheck(struct work_struct *work) -{ - struct pixcir_i2c_ts_data *tsdata = - container_of(work, struct pixcir_i2c_ts_data, work.work); - unsigned char touching = 0; - unsigned char oldtouching = 0; - int posx1, posy1, posx2, posy2; - unsigned char Rdbuf[10], Wrbuf[1]; - int z = 50; - int w = 15; - static int pressed_keycode = -1; - - interrupt_flag = 1; - - memset(Wrbuf, 0, sizeof(Wrbuf)); - memset(Rdbuf, 0, sizeof(Rdbuf)); - - Wrbuf[0] = 0; - - i2c_master_send(tsdata->client, Wrbuf, 1); - i2c_master_recv(tsdata->client, Rdbuf, sizeof(Rdbuf)); - - posx1 = ((Rdbuf[5] << 8) | Rdbuf[4]); - posy1 = ((Rdbuf[3] << 8) | Rdbuf[2]); - posx2 = ((Rdbuf[9] << 8) | Rdbuf[8]); - posy2 = ((Rdbuf[7] << 8) | Rdbuf[6]); - - posx1 = TOUCHSCREEN_MAXX - posx1; - posx2 = TOUCHSCREEN_MAXX - posx2; - - touching = Rdbuf[0]; - oldtouching = Rdbuf[1]; - - if (touching == 1 && posy1 > 800) { - if (posx1 < 100) /* MENU KEY */ - pressed_keycode = 0; - else if (posx1 > (240 - 50) && posx1 < (240 + 50)) /* HOME KEY */ - pressed_keycode = 1; - else if (posx1 > (480 - 100)) /* BACK KEY */ - pressed_keycode = 2; - else - pressed_keycode = -1; - - if (pressed_keycode != -1) { - input_event(tsdata->input_key, EV_MSC, MSC_SCAN, - pressed_keycode); - input_report_key(tsdata->input_key, - pixcir_keycode[pressed_keycode], 1); - input_sync(tsdata->input_key); - } - } else { - if (touching) { - input_report_abs(tsdata->input, ABS_X, posx1); - input_report_abs(tsdata->input, ABS_Y, posy1); - input_report_key(tsdata->input, BTN_TOUCH, 1); - input_report_abs(tsdata->input, ABS_PRESSURE, 1); - } else { - input_report_key(tsdata->input, BTN_TOUCH, 0); - input_report_abs(tsdata->input, ABS_PRESSURE, 0); - } - - if (!(touching)) { - z = 0; - w = 0; - } - if (touching == 1) { - input_report_abs(tsdata->input, ABS_MT_TOUCH_MAJOR, z); - input_report_abs(tsdata->input, ABS_MT_WIDTH_MAJOR, w); - input_report_abs(tsdata->input, ABS_MT_POSITION_X, posx1); - input_report_abs(tsdata->input, ABS_MT_POSITION_Y, posy1); - input_mt_sync(tsdata->input); - } else if (touching == 2) { - input_report_abs(tsdata->input, ABS_MT_TOUCH_MAJOR, z); - input_report_abs(tsdata->input, ABS_MT_WIDTH_MAJOR, w); - input_report_abs(tsdata->input, ABS_MT_POSITION_X, posx1); - input_report_abs(tsdata->input, ABS_MT_POSITION_Y, posy1); - input_mt_sync(tsdata->input); - - input_report_abs(tsdata->input, ABS_MT_TOUCH_MAJOR, z); - input_report_abs(tsdata->input, ABS_MT_WIDTH_MAJOR, w); - input_report_abs(tsdata->input, ABS_MT_POSITION_X, posx2); - input_report_abs(tsdata->input, ABS_MT_POSITION_Y, posy2); - input_mt_sync(tsdata->input); - } - input_sync(tsdata->input); - } - - if (touching == 0) { - if (pressed_keycode != -1) { - input_event (tsdata->input_key, EV_MSC, MSC_SCAN, pressed_keycode); - input_report_key (tsdata->input_key, pixcir_keycode[pressed_keycode], 0); - input_sync(tsdata->input_key); - pressed_keycode = -1; - } - else { - input_mt_sync(tsdata->input); - input_sync(tsdata->input); - } - } - - if (status_reg == NORMAL_MODE) { - global_touching = touching; - global_oldtouching = oldtouching; - global_posx1_low = Rdbuf[2]; - global_posx1_high = Rdbuf[3]; - global_posy1_low = Rdbuf[4]; - global_posy1_high = Rdbuf[5]; - global_posx2_low = Rdbuf[6]; - global_posx2_high = Rdbuf[7]; - global_posy2_low = Rdbuf[8]; - global_posy2_high = Rdbuf[9]; - } - - enable_irq(tsdata->irq); -} - -static irqreturn_t pixcir_ts_isr(int irq, void *dev_id) -{ - struct pixcir_i2c_ts_data *tsdata = dev_id; - - if ((status_reg == 0) || (status_reg == NORMAL_MODE)) { - disable_irq_nosync(irq); - queue_work(pixcir_wq, &tsdata->work.work); - } - - return IRQ_HANDLED; -} - -static int pixcir_ts_open(struct input_dev *dev) -{ - return 0; -} - -static void pixcir_ts_close(struct input_dev *dev) -{ -} - -static ssize_t virtualkeys_sysfs_read(struct file *filp, - struct kobject *kobj, struct bin_attribute *attr, - char *buf, loff_t off, size_t count) -{ - int len = 0; - - len = sprintf(buf, "0x01:32:50:835:50:50\n"); - len += sprintf(buf + len, "0x01:30:240:835:50:50\n"); - len += sprintf(buf + len, "0x01:48:430:835:50:50"); - - return len; -} - -static struct bin_attribute virtualkeys_attr = { - .attr = { - .name = "virtualkeys.pixcir-i2c-ts", - .mode = S_IRWXUGO, - }, - .size = KEYMAPSIZE+1, - .read = virtualkeys_sysfs_read, - .write = NULL, - .mmap = NULL, -}; - -static int board_properties_init(struct kobject *kobj) -{ - int retval; - kobj = kobject_create_and_add("board_properties", NULL); - if (!kobj) - return -ENOMEM; - - retval = sysfs_create_bin_file(kobj, &virtualkeys_attr); - if (retval) - return -ENOMEM; - - return 0; -} - -static int pixcir_i2c_ts_probe(struct i2c_client *client, - const struct i2c_device_id *id) -{ - struct pixcir_i2c_ts_data *tsdata; - struct input_dev *input; - struct input_dev *input_key; - struct device *dev; - struct i2c_dev *i2c_dev; - int error = 0; - - tsdata = kzalloc(sizeof(*tsdata), GFP_KERNEL); - if (!tsdata) { - dev_err(&client->dev, "failed to allocate driver data!\n"); - error = -ENOMEM; - dev_set_drvdata(&client->dev, NULL); - return error; - } - - dev_set_drvdata(&client->dev, tsdata); - - input = input_allocate_device(); - if (!input) { - dev_err(&client->dev, "failed to allocate input device!\n"); - error = -ENOMEM; - goto err_free_tsdata; - } - - set_bit(EV_SYN, input->evbit); - set_bit(EV_KEY, input->evbit); - set_bit(EV_ABS, input->evbit); - set_bit(BTN_TOUCH, input->keybit); - input_set_abs_params(input, ABS_X, TOUCHSCREEN_MINX, - TOUCHSCREEN_MAXX, 0, 0); - input_set_abs_params(input, ABS_Y, TOUCHSCREEN_MINY, - TOUCHSCREEN_MAXY, 0, 0); - input_set_abs_params(input, ABS_MT_POSITION_X, - TOUCHSCREEN_MINX, TOUCHSCREEN_MAXX, 0, 0); - input_set_abs_params(input, ABS_MT_POSITION_Y, - TOUCHSCREEN_MINY, TOUCHSCREEN_MAXY, 0, 0); - input_set_abs_params(input, ABS_MT_TOUCH_MAJOR, 0, 255, 0, 0); - input_set_abs_params(input, ABS_MT_WIDTH_MAJOR, 0, 25, 0, 0); - - input->name = "pixcir-i2c-ts"; - input->phys = "pixcir_ts/input1"; - input->id.bustype = BUS_I2C; - input->dev.parent = &client->dev; - input->open = pixcir_ts_open; - input->close = pixcir_ts_close; - - input_set_drvdata(input, tsdata); - - tsdata->client = client; - tsdata->input = input; - - INIT_WORK(&tsdata->work.work, pixcir_ts_poscheck); - - tsdata->irq = client->irq; - global_irq = client->irq; - - if (input_register_device(input)) { - error = -EIO; - goto err_free_input; - } - - /* for keypad */ - input_key = input_allocate_device(); - if (!input_key) { - dev_err(&client->dev, "failed to allocate input device!\n"); - error = -ENOMEM; - goto err_unregister_input; - } - - input_key->evbit[0] = BIT_MASK(EV_KEY); - input_set_capability(input_key, EV_MSC, MSC_SCAN); - - input_key->keycode = pixcir_keycode; - input_key->keycodesize = sizeof(unsigned char); - input_key->keycodemax = ARRAY_SIZE(pixcir_keycode); - - __set_bit(pixcir_keycode[0], input_key->keybit); - __set_bit(pixcir_keycode[1], input_key->keybit); - __set_bit(pixcir_keycode[2], input_key->keybit); - __clear_bit(KEY_RESERVED, input_key->keybit); - - input_key->name = "pixcir-i2c-ts_key"; - input_key->phys = "pixcir_ts/input2"; - input_key->id.bustype = BUS_I2C; - input_key->dev.parent = &client->dev; - input_key->open = pixcir_ts_open; - input_key->close = pixcir_ts_close; - - tsdata->input_key = input_key; - - if (input_register_device(input_key)) { - error = -EIO; - goto err_free_input_key; - } - - if (gpio_request(RESET, GPIO_NAME)) { - error = -EIO; - goto err_unregister_input_key; - } - RESETPIN_CFG; - RESETPIN_SET0; - mdelay(20); - RESETPIN_SET1; - - mdelay(30); - - error = request_irq(tsdata->irq, pixcir_ts_isr, IRQF_TRIGGER_FALLING, - "pixcir_ts_irq", tsdata); - if (error) { - dev_err(&client->dev, "Unable to request touchscreen IRQ.\n"); - goto err_unregister_input_key; - } - - s3c_gpio_setpull(ATTB, S3C_GPIO_PULL_NONE); - - device_init_wakeup(&client->dev, 0); - - i2c_dev = get_free_i2c_dev(client->adapter); - if (IS_ERR(i2c_dev)) { - error = PTR_ERR(i2c_dev); - goto err_free_irq; - } - - dev = device_create(i2c_dev_class, &client->adapter->dev, - MKDEV(I2C_MAJOR, client->adapter->nr), NULL, - "pixcir_i2c_ts%d", 0); - if (IS_ERR(dev)) { - error = PTR_ERR(dev); - goto err_free_irq; - } - - dev_err(&tsdata->client->dev, "insmod successfully!\n"); - - return 0; - - err_free_irq: - free_irq(tsdata->irq, input); - err_unregister_input_key: - input_unregister_device(input_key); - err_free_input_key: - input_free_device(input_key); - err_unregister_input: - input_unregister_device(input); - err_free_input: - input_free_device(input); - err_free_tsdata: - kfree(tsdata); - - return error; -} - -static int pixcir_i2c_ts_remove(struct i2c_client *client) -{ - int error; - struct i2c_dev *i2c_dev; - struct pixcir_i2c_ts_data *tsdata = dev_get_drvdata(&client->dev); - - free_irq(tsdata->irq, tsdata); - i2c_dev = get_free_i2c_dev(client->adapter); - if (IS_ERR(i2c_dev)) { - error = PTR_ERR(i2c_dev); - return error; - } - return_i2c_dev(i2c_dev); - device_destroy(i2c_dev_class, MKDEV(I2C_MAJOR, client->adapter->nr)); - input_unregister_device(tsdata->input); - input_free_device(tsdata->input); - input_unregister_device(tsdata->input_key); - input_free_device(tsdata->input_key); - kfree(tsdata); - dev_set_drvdata(&client->dev, NULL); - - return 0; -} - -static int pixcir_i2c_ts_suspend(struct i2c_client *client, pm_message_t mesg) -{ - struct pixcir_i2c_ts_data *tsdata = dev_get_drvdata(&client->dev); - - if (device_may_wakeup(&client->dev)) - enable_irq_wake(tsdata->irq); - - return 0; -} - -static int pixcir_i2c_ts_resume(struct i2c_client *client) -{ - struct pixcir_i2c_ts_data *tsdata = dev_get_drvdata(&client->dev); - - if (device_may_wakeup(&client->dev)) - disable_irq_wake(tsdata->irq); - - return 0; -} - -static int pixcir_open(struct inode *inode, struct file *file) -{ - int subminor; - struct i2c_client *client; - struct i2c_adapter *adapter; - struct i2c_dev *i2c_dev; - - subminor = iminor(inode); - - i2c_dev = i2c_dev_get_by_minor(subminor); - if (!i2c_dev) { - printk(KERN_ERR "error i2c_dev\n"); - return -ENODEV; - } - - adapter = i2c_get_adapter(i2c_dev->adap->nr); - if (!adapter) - return -ENODEV; - - client = kzalloc(sizeof(*client), GFP_KERNEL); - if (!client) { - i2c_put_adapter(adapter); - return -ENOMEM; - } - snprintf(client->name, I2C_NAME_SIZE, "pixcir_i2c_ts%d", adapter->nr); - client->driver = &pixcir_i2c_ts_driver; - client->adapter = adapter; - file->private_data = client; - - return 0; -} - -static long pixcir_ioctl(struct file *file, unsigned int cmd, unsigned long arg) -{ - struct i2c_client *client = - (struct i2c_client *) file->private_data; - - switch (cmd) { - case CALIBRATION_FLAG: - client->addr = SLAVE_ADDR; - status_reg = 0; - status_reg = CALIBRATION_FLAG; - break; - - case NORMAL_MODE: - client->addr = SLAVE_ADDR; - status_reg = 0; - status_reg = NORMAL_MODE; - break; - - case PIXCIR_DEBUG_MODE: - client->addr = SLAVE_ADDR; - status_reg = 0; - status_reg = PIXCIR_DEBUG_MODE; - - Tango_number = arg; - break; - - case BOOTLOADER_MODE: - status_reg = 0; - status_reg = BOOTLOADER_MODE; - disable_irq_nosync(global_irq); - -#ifdef reset - client->addr = BOOTLOADER_ADDR; - - RESETPIN_CFG; - RESETPIN_SET0; - mdelay(20); - RESETPIN_SET1; - - mdelay(30); -#else - client->addr = SLAVE_ADDR; - tmp[0] = SPECOP; - tmp[1] = 5; - i2c_master_send(client, tmp, 2); - - client->addr = BOOTLOADER_ADDR; -#endif - break; - - case ENABLE_IRQ: - enable_irq(global_irq); - status_reg = 0; - break; - - case DISABLE_IRQ: - disable_irq_nosync(global_irq); - break; - - case RD_EEPROM: - client->addr = SLAVE_ADDR; - status_reg = 0; - status_reg = RD_EEPROM; - break; - - case WR_EEPROM: - client->addr = SLAVE_ADDR; - status_reg = 0; - status_reg = WR_EEPROM; -break; - - case VERSION_FLAG: - client->addr = SLAVE_ADDR; - status_reg = 0; - status_reg = VERSION_FLAG; - - Tango_number = arg; - break; - - default: - break; - } - return 0; -} - -static ssize_t pixcir_read(struct file *file, - char __user *buf, size_t count, loff_t *offset) -{ - struct i2c_client *client = - (struct i2c_client *)file->private_data; - int ret = 0; - unsigned char normal_tmp[10]; - - switch (status_reg) { - case NORMAL_MODE: - memset(normal_tmp, 0, sizeof(normal_tmp)); - if (interrupt_flag) { - normal_tmp[0] = global_touching; - normal_tmp[1] = global_oldtouching; - normal_tmp[2] = global_posx1_low; - normal_tmp[3] = global_posx1_high; - normal_tmp[4] = global_posy1_low; - normal_tmp[5] = global_posy1_high; - normal_tmp[6] = global_posx2_low; - normal_tmp[7] = global_posx2_high; - normal_tmp[8] = global_posy2_low; - normal_tmp[9] = global_posy2_high; - if (copy_to_user(buf, normal_tmp, 10)) { - dev_err(&client->dev, "error : copy_to_user\n"); - return -EFAULT; - } - - } - interrupt_flag = 0; - break; - - case PIXCIR_DEBUG_MODE: - if (read_XN_YN_flag == 0) { - unsigned char buf[2]; - memset(buf, 0, sizeof(buf)); - - read_XN_YN_value(client); - - buf[0] = 194; - buf[1] = 0; - i2c_master_send(client, buf, 2); - } else { - memset(xy_raw1, 0, sizeof(xy_raw1)); - memset(xy_raw2, 0, sizeof(xy_raw2)); - read_XY_tables(client, xy_raw1, xy_raw2); - } - - if (Tango_number == 1) { - xy_raw1[MAXX * 2] = x_nb_electrodes; - xy_raw1[MAXX * 2 + 1] = y_nb_electrodes; - - if (copy_to_user(buf, xy_raw1, MAXX * 2 + 2)) { - dev_err(&client->dev, "error : copy_to_user\n"); - return -EFAULT; - } - - } else if (Tango_number == 2) { - xy_raw1[MAXX * 2] = x_nb_electrodes; - xy_raw1[MAXX * 2 + 1] = y_nb_electrodes; - xy_raw1[MAXX * 2 + 2] = x2_nb_electrodes; - - for (ret = 0; ret < (MAXX * 2 + 3); ret++) - xy_raw12[ret] = xy_raw1[ret]; - - for (ret = 0; ret < (MAXX * 2 - 1); ret++) - xy_raw12[(MAXX * 2 + 3) + ret] = xy_raw2[ret]; - - if (copy_to_user(buf, xy_raw12, MAXX * 4 + 3)) { - dev_err(&client->dev, "error : copy_to_user\n"); - return -EFAULT; - } - } - break; - - case RD_EEPROM: { - unsigned char epmbytbuf[512]; - - memset(epmbytbuf, 0, sizeof(epmbytbuf)); - i2c_master_recv(client, epmbytbuf, count); - - if (copy_to_user(buf, epmbytbuf, count)) { - dev_err(&client->dev, "error : copy_to_user\n"); - return -EFAULT; - } - - break; - } - - case VERSION_FLAG: { - unsigned char vaddbuf[1], verbuf[5]; - - memset(vaddbuf, 0, sizeof(vaddbuf)); - memset(verbuf, 0, sizeof(verbuf)); - vaddbuf[0] = 48; - i2c_master_send(client, vaddbuf, 1); - i2c_master_recv(client, verbuf, 5); - - if (copy_to_user(buf, verbuf, 5)) { - dev_err(&client->dev, "error : copy_to_user\n"); - return -EFAULT; - } - - break; - } - - default: - break; - } - - return ret; -} - -static ssize_t pixcir_write(struct file *file, - const char __user *buf, size_t count, loff_t *ppos) -{ - struct i2c_client *client; - char *tmp, bootload_data[143], Rdbuf[1]; - int ret = 0, stu; - int re_value = 0; - - client = file->private_data; - - switch (status_reg) { - case CALIBRATION_FLAG: - tmp = kmalloc(count, GFP_KERNEL); - if (tmp == NULL) - return -ENOMEM; - - if (copy_from_user(tmp, buf, count)) { - dev_err(&client->dev, "error : copy_from_user\n"); - kfree(tmp); - return -EFAULT; - } - i2c_master_send(client, tmp, count); - mdelay(100); - - kfree(tmp); - - status_reg = 0; - break; - - case BOOTLOADER_MODE: - memset(bootload_data, 0, sizeof(bootload_data)); - memset(Rdbuf, 0, sizeof(Rdbuf)); - - if (copy_from_user(bootload_data, buf, count)) { - dev_err(&client->dev, "error : copy_from_user\n"); - return -EFAULT; - } - - stu = bootload_data[0]; - - i2c_master_send(client, bootload_data, count); - - if (stu != 0x01) { - mdelay(1); - while (get_attb_value(ATTB)) - ; - mdelay(1); - - i2c_master_recv(client, Rdbuf, 1); - re_value = Rdbuf[0]; - } else { - mdelay(100); - status_reg = 0; - enable_irq(global_irq); - } - - if ((re_value & 0x80) && (stu != 0x01)) { - printk(KERN_ERR "Failed : (re_value & 0x80) && (stu != 0x01) = 1\n"); - ret = 0; - } - break; - - case RD_EEPROM: { - unsigned char epmdatabuf[2], wr2eep[4]; - - memset(epmdatabuf, 0, sizeof(epmdatabuf)); - memset(wr2eep, 0, sizeof(wr2eep)); - - if (copy_from_user(epmdatabuf, buf, count)) { - dev_err(&client->dev, "error : copy_from_user\n"); - return -EFAULT; - } - - wr2eep[0] = SPECOP; - wr2eep[1] = 1; - wr2eep[2] = epmdatabuf[0]; - wr2eep[3] = epmdatabuf[1]; - i2c_master_send(client, wr2eep, 4); - - break; - } - - case WR_EEPROM: { - unsigned char epmdatabuf[2]; - - memset(epmdatabuf, 0, sizeof(epmdatabuf)); - - if (copy_from_user(epmdatabuf, buf, count)) { - dev_err(&client->dev, "error : copy_from_user\n"); - return -EFAULT; - } - - if (2 == count) { - op2eep[0] = SPECOP; - op2eep[1] = 2; - data2eep[0] = epmdatabuf[0]; - data2eep[1] = epmdatabuf[1]; - } else if (1 == count) { - data2eep[2] = epmdatabuf[0]; - i2c_master_send(client, op2eep, 2); - i2c_master_send(client, data2eep, 3); - mdelay(4); - i2c_master_recv(client, data2eep, 1); - mdelay(100); - } - break; - } - - default: - break; - } - return ret; -} - -static int pixcir_release(struct inode *inode, struct file *file) -{ - struct i2c_client *client = file->private_data; - - i2c_put_adapter(client->adapter); - kfree(client); - file->private_data = NULL; - - return 0; -} - -static const struct file_operations pixcir_i2c_ts_fops = { - .owner = THIS_MODULE, - .read = pixcir_read, - .write = pixcir_write, - .open = pixcir_open, - .unlocked_ioctl = pixcir_ioctl, - .release = pixcir_release, -}; - -static const struct i2c_device_id pixcir_i2c_ts_id[] = { - {"pixcir-ts", 0}, - { } -}; -MODULE_DEVICE_TABLE(i2c, pixcir_i2c_ts_id); - -static struct i2c_driver pixcir_i2c_ts_driver = { - .driver = { - .owner = THIS_MODULE, - .name = "pixcir-i2c-ts", - }, - .probe = pixcir_i2c_ts_probe, - .remove = pixcir_i2c_ts_remove, - .suspend = pixcir_i2c_ts_suspend, - .resume = pixcir_i2c_ts_resume, - .id_table = pixcir_i2c_ts_id, -}; - -static int __init pixcir_i2c_ts_init(void) -{ - int ret; - - pixcir_wq = create_singlethread_workqueue("pixcir_wq"); - - if (!pixcir_wq) - return -ENOMEM; - - ret = register_chrdev(I2C_MAJOR, "pixcir_i2c_ts", &pixcir_i2c_ts_fops); - if (ret) { - printk(KERN_ERR "%s:register chrdev failed\n", __FILE__); - return ret; - } - - i2c_dev_class = class_create(THIS_MODULE, "pixcir_i2c_dev"); - - if (IS_ERR(i2c_dev_class)) { - ret = PTR_ERR(i2c_dev_class); - class_destroy(i2c_dev_class); - } - - return i2c_add_driver(&pixcir_i2c_ts_driver); -} - -static void __exit pixcir_i2c_ts_exit(void) -{ - i2c_del_driver(&pixcir_i2c_ts_driver); - class_destroy(i2c_dev_class); - unregister_chrdev(I2C_MAJOR, "pixcir_i2c_ts"); - if (pixcir_wq) - destroy_workqueue(pixcir_wq); -} - -module_init(pixcir_i2c_ts_init); -module_exit(pixcir_i2c_ts_exit); - -MODULE_AUTHOR("Dongsu Ha <dsfine.ha@samsung.com>, " - "Bee<http://www.pixcir.com.cn>, " - "Samsung Electronics <http://www.samsung.com>"); - -MODULE_DESCRIPTION("Pixcir Touchscreen driver"); -MODULE_LICENSE("GPL"); |